PRST Presence status
PWRB Power fail bit
RAM Random access memory
RDID Reader ID
read Process of acquiring data from a device; for example, from a tag or from computer
memory
reader Controlled interrogating device capable of acquiring data from a device; for
example, acquiring and interrupting data from a tag
read zone The physical area in which a tag can be read by the reader
RF Radio frequency
RFID Radio frequency identification
RFST RF status
ROM Read-only memory
RTC Real-time clock
RTS Request-to-send
SCTS Status of check tag status
SeGo Super eGo (SeGo) is a superset of the eGo protocol
SN Serial number
som Start of message
SSTC Input status change reporting options
tag Small self-contained device acting as an identifying transponder
TT Tag translation
Appendix A Glossary
TransCore Proprietary
A–109